The interview is firmly focused on breaking down the taboo that surrounds mental illness. As Prince William tells GQ, "People can't access services till they feel less ashamed, so we must tackle the taboo, the stigma, for goodness' sake, this is the 21st century." It's so important that he continues to take a stand on behalf of all those affected by mental health issues, particularly as the topic can be so difficult to broach.

The most heartbreaking part of William's interview, though, is when he's asked about the loss of his mother. He says, "I would like to have had her advice. I would love her to have met Catherine and to have seen the children grow up. It makes me sad that she won't, that they will never know her."

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The Prince also speaks about how difficult it is to deal with his grief in the public eye. He says, "I am in a better place about it than I have been for a long time, where I can talk about her more openly, talk about her more honestly, and I can remember her better, and publicly talk about her better." On the twentieth anniversary of her death, William is honoring his mother in the best way, with his honesty.